QNAP TS-879-PRO-US 8-Bay iSCSI NAS, SATA III.  USB 3.0 (TS-879-PRO-US) Manage and share files in one centralized storage Accelerate data transmission with 10GbE network speeds Back up business data with encrypted remote replication, Read-time Remote Replication (RTRR), and cloud-based storage backup Facilitate iSCSI and virtualization deployment Secure data with AES-256 volume-based encryption, access encryption, policy-based automatic IP blocking, and more Increase efficiency with the support of Windows AD/LDAP, Windows ACL, and more Intel i3-2120 3.3 GHz CPU, 2GB DDR3 RAM CPU Dual Core Intel? Core? i3-2120 Processor 3.3 GHz DRAM 2 GB DDR3 RAM Flash Memory 512MB DOM Hard Drive 8 x 3.5-inch SATA 6Gb/s, SATA 3Gb/s hard drive or 2.5-inch SATA, SSD hard drive Hard Drive Tray 8 x hot-swappable and lockable tray LED Indicators Status, LAN, USB, eSATA, 10 GbE, hard drives